Bourdon gauge

British  

noun

1. a type of aneroid pressure gauge consisting of a flattened curved tube attached to a pointer that moves around a dial. As the pressure in the tube increases the tube tends to straighten and the pointer indicates the applied pressure

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Etymology

Origin of Bourdon gauge

C19: named after Eugène Bourdon (1808–84), French hydraulic engineer, who invented it

Example Sentences

One of the commonest forms, known as the Bourdon gauge, depends on the fact that a curved tube tends to straighten itself if the pressure within it is greater than that outside it.

From Project Gutenberg

As the plate bulges upwards it pushes up a small rod resting on it, which operates a quadrant and rack similar to that of the Bourdon gauge.

From Project Gutenberg